73102 has 4 divisors (see below), whose sum is σ = 109656. Its totient is φ = 36550.

The previous prime is 73091. The next prime is 73121. The reversal of 73102 is 20137.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20137 = 13 ⋅1549.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

73102 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18274 + ... + 18277.

It is an arithmetic number, because the mean of its divisors is an integer number (27414).

2⁷³¹⁰² is an apocalyptic number.

73102 is a deficient number, since it is larger than the sum of its proper divisors (36554).

73102 is a wasteful number, since it uses less digits than its factorization.

73102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36553.

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 73102 is about 270.3738153002. The cubic root of 73102 is about 41.8128483202.

Adding to 73102 its reverse (20137), we get a palindrome (93239).

The spelling of 73102 in words is "seventy-three thousand, one hundred two", and thus it is an iban number.